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Finding the Fourth Proportional to 482,050.57, 723,123.78 and 178,525.95

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Solution

The fourth proportional to 482,050.57, 723,123.78 and 178,525.95 is: 267,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,050.57 : 723,123.78 = 178,525.95 : x
  2. Step 2: Convert to fraction form
    482,050.57/723,123.78 = 178,525.95/x
  3. Step 3: Cross multiply
    482,050.57x = 723,123.78 × 178,525.95
  4. Step 4: Simplify right side
    482,050.57x = 129,096,359,792.09
  5. Step 5: Solve for x
    x = 129,096,359,792.09/482,050.57
  6. Step 6: Final answer
    x = 267,806.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.